<http://schema.org/description>
"A Google Webmaster Help thread has a member upset that Google is crawling his site during times when his server is overloaded. Is there a way to tell GoogleBot to stay away during these times?JohnMu o"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/archives/018968.html>